PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 131 filers reported holding PROTHENA CORP PLC in Q2 2014. The put-call ratio across all filers is 0.49 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $182,000 | -14.6% | 15,000 | +163.4% | 0.00% | 0.0% |
| Q4 2017 | $213,000 | -81.2% | 5,694 | -65.7% | 0.00% | -80.0% |
| Q4 2015 | $1,131,000 | +144.8% | 16,600 | +62.7% | 0.01% | +100.0% |
| Q3 2015 | $462,000 | -54.3% | 10,200 | -46.9% | 0.01% | -50.0% |
| Q2 2015 | $1,011,000 | +168.9% | 19,200 | +15.0% | 0.01% | +25.0% |
| Q2 2014 | $376,000 | -56.0% | 16,695 | -25.1% | 0.01% | -50.0% |
| Q1 2014 | $854,000 | – | 22,300 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $697,952,870 | 21.24% |
| Prosight Management, LP | 330,000 | $19,882,500 | 10.84% |
| First Light Asset Management, LLC | 1,535,599 | $92,519,840 | 8.59% |
| Palo Alto Investors LP | 1,658,577 | $99,929,264 | 8.52% |
| Finepoint Capital LP | 322,900 | $19,455 | 6.29% |
| Birchview Capital, LP | 127,195 | $7,663 | 5.41% |
| Avidity Partners Management LP | 2,953,000 | $177,918,250 | 3.85% |
| DCF Advisers, LLC | 74,100 | $4,464,525 | 3.02% |
| PFM Health Sciences, LP | 875,464 | $52,746,706 | 1.89% |
| SECTORAL ASSET MANAGEMENT INC | 115,200 | $6,940,800 | 1.34% |